CN215034407U

CN215034407U - Resistance welding device for thin-wall sheet metal parts

Info

Publication number: CN215034407U
Application number: CN202121408525.0U
Authority: CN
Inventors: 夏彦红; 李永平
Original assignee: Xi'an Hongtai Aviation Technology Co ltd
Current assignee: Xi'an Hongtai Aviation Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-07
Anticipated expiration: 2031-06-24

Abstract

The utility model belongs to the technical field of part processing, and discloses a resistance welding device for thin-wall sheet metal parts, wherein a lower cooling water seat is fixedly arranged at the upper end of a base, and a lower electrode is fixedly arranged at the upper end of the lower cooling water seat; the upper side of the lower electrode is provided with an upper electrode, the upper electrode is fixedly connected with the lower end of the upper cooling water seat, the upper end of the lower electrode is fixedly provided with a part, the part comprises a part outer cover and a part inner cover, the part inner cover is sleeved on the inner side of the part outer cover, the outer side of the upper cooling water seat is provided with a first cooling water inlet and a first cooling water outlet, and the outer side of the lower cooling water seat is provided with a second cooling water inlet and a second cooling water outlet. The utility model relates to a reduce prior art's manufacturing cost, improve precision and surface quality after the part is maintained because of welding deformation, the utility model discloses can ensure that the part does not take place great deformation after the welding, simple, the easy operation is dismantled to the frock, has improved the production efficiency of part simultaneously.

Description

Resistance welding device for thin-wall sheet metal parts

Technical Field

The utility model belongs to the technical field of the parts machining, especially, relate to a resistance welding device of thin wall panel beating part.

Background

At present: the traditional processing method of the thin-wall sheet metal part is resistance welding, the thin-wall sheet metal resistance welding part needs to be subjected to a large amount of shape correction and polishing finishing after welding, the thin-wall sheet metal part is easy to deform after resistance welding, the curved surface part is difficult to shape repair, the shape repair is not in place, and the subsequent part hole site processing and assembly are greatly influenced. The damage on the surface of the part caused by the electrode is large, the material of the part is brass delta 0.3mm, the subsequent part is high in finishing difficulty, the workload is large, the efficiency is low, and the cost is high. The integral precision and the surface requirement of the part are difficult to meet the drawing requirements.

Through the above analysis, the problems and defects of the prior art are as follows:

(1) the existing thin-wall sheet metal parts are easy to deform after resistance welding, the shape correction of curved surface parts is difficult, the shape correction is not in place, and the subsequent hole site processing and assembling of the parts are greatly influenced.

(2) The damage on the surface of the part caused by the electrode is large, so that the subsequent part is high in finishing difficulty, large in workload, low in efficiency and high in cost.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a resistance welding device of thin wall panel beating part.

The utility model discloses a realize like this, a resistance welding device of thin wall panel beating part is provided with:

a base;

a lower cooling water seat is fixedly arranged at the upper end of the base, and a lower electrode is fixedly arranged at the upper end of the lower cooling water seat;

an upper electrode is arranged on the upper side of the lower electrode, and the upper electrode is fixedly connected to the lower end of the upper cooling water seat.

Furthermore, a part is fixed at the upper end of the lower electrode and comprises a part outer cover and a part inner cover, and the part inner cover is sleeved on the inner side of the part outer cover.

Furthermore, the middle of the part outer cover and the middle of the part inner cover are connected through a penetrating positioning pin, and the lower end of the positioning pin is connected with the middle of the upper end of the lower electrode.

Furthermore, a first cooling water inlet and a first cooling water outlet are formed in the outer side of the upper cooling water seat, and a second cooling water inlet and a second cooling water outlet are formed in the outer side of the lower cooling water seat.

Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:

the utility model relates to a reduce prior art's manufacturing cost, improve precision and surface quality after the part is maintained because of welding deformation, the utility model discloses can ensure that the part does not take place great deformation after the welding, the frock is dismantled simply, easily operation, has improved the production efficiency of part simultaneously, provides a resistance welding processingequipment who is applicable to the sheet metal component of the same type, has solved thin wall sheet metal component (brass delta 0.3 mm) welding deformation and the unsatisfied technological requirement's of solder joint technique and application in resistance welding process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an electric resistance welding device for thin-wall sheet metal parts provided by the embodiment of the utility model.

Fig. 2 is a structural schematic diagram of a thin-wall sheet metal part of a certain type that the resistance welding device of the thin-wall sheet metal part provided by the embodiment of the utility model obtains.

In the figure: 1. a base; 2. a lower cooling water base; 3. a lower electrode; 4. a part housing; 5. a part inner cover; 6. an upper electrode; 7. an upper cooling water seat; 8. positioning pins; 9. a first cooling water inlet; 10. a first cooling water outlet; 11. a second cooling water inlet; 12. and a second cooling water outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

To the problem that prior art exists, the utility model provides a resistance of thin wall panel beating part welds device, it is right to combine the figure below the utility model discloses do detailed description.

As shown in fig. 1, a lower cooling water seat 2 is fixedly arranged at the upper end of a base 1 in the resistance welding device for thin-wall sheet metal parts provided by the embodiment of the present invention, and a lower electrode 3 is fixedly arranged at the upper end of the lower cooling water seat 2;

an upper electrode 6 is arranged on the upper side of the lower electrode 3, and the upper end of the upper electrode 6 is fixedly connected with the lower end of an upper cooling water seat 7.

The embodiment of the utility model provides an in 3 upper ends of bottom electrode are fixed with the part, and the part includes part dustcoat 4 and part inner cover 5, and 5 covers of part inner cover are established at 4 insides of part dustcoat.

The embodiment of the utility model provides an in the middle of part outer cover 4 and the part inner cover 5 be connected through the locating pin 8 of wearing to establish, 8 lower extremes of locating pin and 3 upper ends intermediate junctions of bottom electrode.

The embodiment of the utility model provides an in go up the cooling water seat 7 outside and seted up first cooling water inlet 9 and first cooling water outlet 10, second cooling water inlet 11 and second cooling water outlet 12 have been seted up in the 2 outsides of cooling water seat down.

The embodiment of the utility model provides an in base 1 plays the effect of fixed lower cooling water seat, and lower cooling water seat 2 plays the effect of fixed and cooling lower electrode holder, and lower electrode holder 3 is used for supporting part and welded part's effect, goes up electrode 6 and lower electrode 3 and welds the part, with part inner cover 5 and part dustcoat 4 welding together. The upper cooling water seat 7 is used for fixing and cooling the lower electrode 3, and the positioning pin 8 plays a role in fixing the part inner cover 5 and the part outer cover 4.

The embodiment of the utility model provides a theory of operation does: because the material of the part is copper, the wall thickness is thin, the welding spot phi 2 of the resistance welding is smaller, the requirement of the welding spot is smaller, the upper electrode end of the traditional resistance welding is a plane, the surface of the spherical part is easy to cause indentation, the upper electrode end is a spherical surface, the welding spot is also in a spherical surface shape after welding, the material of the part is copper during welding, the tool is copper, and a large amount of heat needs to be discharged during resistance welding, so that a cooling water device is pretended to be arranged on the upper electrode seat and the lower electrode seat, otherwise, the part is more seriously deformed, the embodiment of the utility model assembles the tool according to the figure before welding the part, connects the cooling water, installs the part outer cover 4 and the part inner cover 5 of the part on the tool, the assembly can rotate around the positioning pin, the positions of the upper electrode and the lower electrode are unchanged, so as to ensure that the welding spot of the resistance welding is welded on the same circumference, after the welding is finished, most of the heat is taken away, the part is not easy to deform, and the part is taken out and then is locally corrected, the surface of the welding spot is basically spherical, and the trimming work is reduced. And carrying out subsequent processing, drilling, cutting and the like on the part so as to achieve the delivery state of the part. As shown in fig. 2, be promptly the utility model provides a certain type thin wall sheet metal part structure sketch map that the resistance welding device of thin wall sheet metal part preparation obtained.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.

Claims

1. The utility model provides a resistance of thin wall panel beating part welds device which characterized in that, the resistance of thin wall panel beating part welds the device and is provided with:

a base;

2. An electric resistance welding device for thin-wall sheet metal parts as claimed in claim 1, wherein the upper end of the lower electrode is fixed with a part, the part comprises a part outer cover and a part inner cover, and the part inner cover is sleeved on the inner side of the part outer cover.

3. An electric resistance welding device for thin-wall sheet metal parts as claimed in claim 2, wherein the parts outer cover and the parts inner cover are connected by a through locating pin, and the lower end of the locating pin is connected with the middle of the upper end of the lower electrode.

4. An electric resistance welding device for thin-wall sheet metal parts as claimed in claim 1, wherein a first cooling water inlet and a first cooling water outlet are provided on the outer side of the upper cooling water seat, and a second cooling water inlet and a second cooling water outlet are provided on the outer side of the lower cooling water seat.